Amdrew Alexander B abt 1777

An searching for information on the parentage of ANDREW ALEXANDER born abt 1777 and died 1858.He married Phebe Larue, daughter of Issac Larue in Hardin Co. KY in 1807.Andrew's siblings may have been Samuel who married Elizabeth Riley and Robert Veasy who married Elizabeth Close.Andrew's father may have been another Robert V.We suspect these Alexanders came from Cecil Co. MD and intermarried with the Veasy family, however have not tied down the connction.Any assistance appreciated.